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bpo-29729: uuid.UUID now accepts bytes-like object #3801

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vstinner wants to merge 8 commits into from
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bpo-29729: uuid.UUID now accepts bytes-like object #3801

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9038f43
bpo-29729: uuid.UUID now accepts bytes-like object
vstinner Sep 28, 2017
c35cb1d
Accept also bytes-like for bytes_le
vstinner Sep 28, 2017
58d013c
Update the NEWS entry.
vstinner Sep 28, 2017
d7262ad
Merge branch 'master' into uuid_bytes
vstinner Sep 28, 2017
a169e89
Fix UUID(bytes_le=16)
vstinner Sep 28, 2017
583c9fc
Remove a comment
vstinner Oct 2, 2017
f437da5
Merge branch 'master' into uuid_bytes
vstinner Oct 3, 2017
bf919ce
Repeat that objects must have a length of 16
vstinner Oct 3, 2017
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Fix UUID(bytes_le=16)
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@vstinner
vstinner committed Sep 28, 2017
commit a169e89e41323e92a930cfa133611be02a3859ad
2 changes: 2 additions & 0 deletions Lib/test/test_uuid.py
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Original file line number Diff line number Diff line change
Expand Up @@ -225,13 +225,15 @@ def test_exceptions(self):
badvalue(lambda: self.uuid.UUID(bytes=b'abc'))
badvalue(lambda: self.uuid.UUID(bytes=b'\0'*15))
badvalue(lambda: self.uuid.UUID(bytes=b'\0'*17))
badtype(lambda: self.uuid.UUID(bytes=16))

# Badly formed bytes_le.
badtype(lambda: self.uuid.UUID(bytes_le='unicode'))
badtype(lambda: self.uuid.UUID(bytes_le='u'*16))
badvalue(lambda: self.uuid.UUID(bytes_le=b'abc'))
badvalue(lambda: self.uuid.UUID(bytes_le=b'\0'*15))
badvalue(lambda: self.uuid.UUID(bytes_le=b'\0'*17))
badtype(lambda: self.uuid.UUID(bytes_le=16))

# Badly formed fields.
badvalue(lambda: self.uuid.UUID(fields=(1,)))
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3 changes: 2 additions & 1 deletion Lib/uuid.py
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Expand Up @@ -160,7 +160,8 @@ def __init__(self, hex=None, bytes=None, bytes_le=None, fields=None,
raise ValueError('badly formed hexadecimal UUID string')
int = int_(hex, 16)
if bytes_le is not None:
if not isinstance(bytes_le, (bytes_, bytearray)):
# Don't cast int to bytes to get a TypeError above
if not isinstance(bytes_le, (bytes_, bytearray, int_)):
bytes_le = bytes_(bytes_le)
if len(bytes_le) != 16:

@vadmium vadmium Sep 30, 2017

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By above in the comment, do you mean this check, which is actually below the comment? :)

@vstinner vstinner Oct 2, 2017

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I removed the comment.

raise ValueError('bytes_le is not a 16-char string')
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